52676621 has 2 divisors, whose sum is σ = 52676622. Its totient is φ = 52676620.

The previous prime is 52676609. The next prime is 52676623. The reversal of 52676621 is 12667625.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30680521 + 21996100 = 5539^2 + 4690^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52676621 is a prime.

Together with 52676623, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52676623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26338310 + 26338311.

It is an arithmetic number, because the mean of its divisors is an integer number (26338311).

Almost surely, 2^52676621 is an apocalyptic number.

It is an amenable number.

52676621 is a deficient number, since it is larger than the sum of its proper divisors (1).

52676621 is an equidigital number, since it uses as much as digits as its factorization.

52676621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 35.

The square root of 52676621 is about 7257.8661464648. The cubic root of 52676621 is about 374.8630516228.

The spelling of 52676621 in words is "fifty-two million, six hundred seventy-six thousand, six hundred twenty-one".